Home / 220,539.42-304,340.27-123,745.01

Finding the Fourth Proportional to 220,539.42, 304,340.27 and 123,745.01

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Solution

The fourth proportional to 220,539.42, 304,340.27 and 123,745.01 is: 170,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,539.42 : 304,340.27 = 123,745.01 : x
  2. Step 2: Convert to fraction form
    220,539.42/304,340.27 = 123,745.01/x
  3. Step 3: Cross multiply
    220,539.42x = 304,340.27 × 123,745.01
  4. Step 4: Simplify right side
    220,539.42x = 37,660,587,614.13
  5. Step 5: Solve for x
    x = 37,660,587,614.13/220,539.42
  6. Step 6: Final answer
    x = 170,765.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.